Yangta Dabaicha

Yangta Dabaicha (Camellia sinensis var. assamica). Chen Liang et al. 2024. Records of Tea Cultivars and Resources of Chinese Tea resources (Volume I)-Registered Tea Cultivars. p.600-601. [Applicant] Tea Research Institute of Yunnan Academy of Agricultural Sciences, Tea and Specialty Bio-industry Development Center of Jinggu Dai and Yi Autonomous County. [Breeder] Tian Yiping; Liao Shengqiang; Liang Mingzhi; Lu Chuankun; Chen Chunlin; Su Qilan; Pang Dandan; Zeng Yong; Deng Shaochun; Feng Mei; Xu Pizhong; Zhang Zhengyong; Li Dachang; Zhu Zhikun. [Variety Number] Non-major Crop Variety Registration No. GPD Tea Tree (2022)530052. [Variety Source] Yunnan Academy of Agricultural Sciences, Tea Research Institute, etc. from the Jinggu Yangta local group of species in a single plant selection. [Characteristics]: Tree-type, large-leaved, mesophyll. The tree posture is open, the growth potential is strong, the branching part is high, and the branching density is sparse. The leaf blade is upwardly inserted, the shape of the leaf blade is medium elliptic, the length of the leaf blade is 16.8 centimeters, the width is 6.7 centimeters; the leaf blade is dark green, the shape of the apex of the leaf blade is sharp. The full bloom of one bud and two leaves is usually in late February, and the exploitation period of one bud and three leaves is usually in early March. The germination density is medium, with a lot of velvet. The length of one bud and three leaves is 12.1 centimeters, and the weight of one hundred buds is 150.0 grams. The blooming period is in early October every year, the corolla diameter is 4.7cmx4.1cm, petals are 6-8, ovary has many velvet hairs, and the style is 3-lobed. The biochemical sample of one bud and two leaves in spring contains 29.9% of tea polyphenols, 3.8% of amino acids, 5.2% of caffeine, and 49.2% of water leachate. Suitable for black tea, green tea and white tea. For black tea, the aroma is sweet and tender, the flavor is mellow and fresh; for green tea, the aroma is high and fresh, chestnut aroma is obvious, floral aroma is obvious, the flavor is mellow and sweet; for white tea, the aroma is sweet, floral aroma is obvious, the flavor is sweet and fresh. The first growth cycle mu yield 438 kg of fresh leaves, than the control 'cloud resistance 10' yield increase of 5%; the second growth cycle mu yield 453 kg of fresh leaves, than the control 'cloud resistance 10' yield increase of 4%. Resistant to tea cloud leaf blight, tea cake disease, medium resistance to tea leafhopper, medium drought resistance, weak cold resistance. [Suitable for planting area and cultivation technology points] Suitable for planting in the southwest tea area of Yunnan Pu'er, Xishuangbanna, Lincang, Dehong, Baoshan, Dali, the area of 550-1500 meters above sea level, and the time of sufficient rainfall in summer. When establishing the garden, apply bottom fertilizer, and strictly carry out 3 times of stereotyped pruning in the young tea garden. Cold resistance is weak, pay attention to the prevention of low temperature frost.

秧塔大白茶 (Camellia sinensis var. assamica ‘Yangta Dabaicha’). 陈亮等. 2024.《中国茶树品种资源志（上卷）茶树登记品种》第600-601页.【申请者】云南省农业科学院茶叶研究所，景谷傣族彝族自治县茶叶和特色生物产业发展中心。【育种者】田易萍；廖胜强；梁名志；陆传坤；陈春林；苏其兰；庞丹丹；曾勇；邓少春；冯梅；徐丕忠；张正勇；李大昌；竹志坤。【品种编号】非主要农作物品种登记号：GPD茶树（2022)530052。【品种来源】云南省农业科学院茶叶研究所等从景谷秧塔当地群体种中单株选育而成。【特征特性】乔木型，大叶类，中生种。树姿开张，生长势强，分枝部位高，分枝密度稀。叶片向上着生，叶片形状中等椭圆形，叶片长度16.8厘米，宽度6.7厘米；叶深绿色，叶片先端形状尖锐。一芽二叶盛期一般在2月下旬，一芽三叶开采期一般为3月上旬。发芽密度中，茸毛多。一芽三叶长12.1厘米、百芽重150.0克。盛花期为每年10月上旬，花冠直径4.7厘米x4.1厘米，花瓣6-8枚，子房茸毛多，花柱3裂。春季一芽二叶生化样含茶多酚29.9%,氨基酸3.8%,咖啡碱5.2%，水浸出物49.2%。适制红茶，绿茶和白茶。制红茶，香气鲜甜、嫩香显，滋味醇和、鲜爽；制绿茶，香气高鲜、栗香显、花香显，滋味醇厚、甘鲜；制白茶，香气甜香较浓郁、花香显，滋味甘和、鲜爽。第一生长周期亩产鲜叶438千克，比对照‘云抗10号’增产5%；第二生长周期亩产鲜叶453千克，比对照‘云抗10号’增产4%。抗茶云纹叶枯病、茶饼病，中抗茶小绿叶蝉，抗旱性中等，抗寒性弱。【适宜种植区域及栽培技术要点】适宜在西南茶区云南普洱、西双版纳、临沧、德宏、保山、大理，海拔550-1500米的区域，夏季雨水充足的时间种植。建园时足施底肥，幼龄茶园严格进行3次定型修剪。抗寒性弱，注意预防低温冻害。